7.6
HIGH
CVE-2023-6478
Xorg-Server Integer Overflow Information Disclosure Vulnerability
Description

A flaw was found in xorg-server. A specially crafted request to RRChangeProviderProperty or RRChangeOutputProperty can trigger an integer overflow which may lead to a disclosure of sensitive information.

INFO

Published Date :

Dec. 13, 2023, 7:15 a.m.

Last Modified :

Sept. 16, 2024, 4:15 p.m.

Remotely Exploitable :

Yes !

Impact Score :

4.7

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2023-6478 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Redhat enterprise_linux
2 Redhat enterprise_linux_eus
1 X.org x_server
2 X.org xwayland
1 Debian debian_linux
1 Tigervnc tigervnc

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-6478 vulnerability anywhere in the article.

  • Cybersecurity News
CVE-2024-9632: 18-Year-Old Bug in X.Org Server Leaves Systems Vulnerable to Attack

A high-severity vulnerability was found in the X.Org Server, the popular display server for Linux and other Unix-like operating systems. Tracked as CVE-2024-9632, this flaw has been lurking in the cod ... Read more

Published Date: Nov 01, 2024 (2 weeks, 6 days ago)

The following table lists the changes that have been made to the CVE-2023-6478 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    Sep. 16, 2024

    Action Type Old Value New Value
    Removed Reference Red Hat, Inc. https://lists.debian.org/debian-lts-announce/2023/12/msg00008.html
    Removed Reference Red Hat, Inc. https://www.debian.org/security/2023/dsa-5576
    Removed Reference Red Hat, Inc. http://www.openwall.com/lists/oss-security/2023/12/13/1
    Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/LJDFWDB7EQVZA45XDP7L5WRSRWS6RVRR/
    Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/7PP47YXKM5ETLCYEF6473R3VFCJ6QT2S/
    Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/6R63Z6GIWM3YUNZRCGFODUXLW3GY2HD6/
    Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/IFHV5KCQ2SVOD4QMCPZ5HC6YL44L7YJD/
    Removed Reference Red Hat, Inc. https://security.netapp.com/advisory/ntap-20240125-0003/
    Removed Reference Red Hat, Inc. https://security.gentoo.org/glsa/202401-30
  • CVE Modified by [email protected]

    May. 29, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    May. 22, 2024

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:2995 [No types assigned]
    Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:2996 [No types assigned]
  • CVE Modified by [email protected]

    May. 22, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Apr. 30, 2024

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:2169 [No types assigned]
    Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:2170 [No types assigned]
  • CVE Modified by [email protected]

    Jan. 31, 2024

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://security.gentoo.org/glsa/202401-30 [No types assigned]
  • CVE Modified by [email protected]

    Jan. 25, 2024

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://security.netapp.com/advisory/ntap-20240125-0003/ [No types assigned]
  • CVE Modified by [email protected]

    Jan. 11, 2024

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/IFHV5KCQ2SVOD4QMCPZ5HC6YL44L7YJD/ [No types assigned]
  • CVE Modified by [email protected]

    Jan. 02, 2024

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0006 [No types assigned]
    Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0009 [No types assigned]
    Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0010 [No types assigned]
    Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0014 [No types assigned]
    Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0015 [No types assigned]
    Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0016 [No types assigned]
    Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0017 [No types assigned]
    Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0018 [No types assigned]
    Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0020 [No types assigned]
  • CVE Modified by [email protected]

    Dec. 29, 2023

    Action Type Old Value New Value
    Added CWE Red Hat, Inc. CWE-190
    Removed CWE Red Hat, Inc. CWE-125
  • CVE Modified by [email protected]

    Dec. 25, 2023

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/6R63Z6GIWM3YUNZRCGFODUXLW3GY2HD6/ [No types assigned]
  • Initial Analysis by [email protected]

    Dec. 21, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type http://www.openwall.com/lists/oss-security/2023/12/13/1 No Types Assigned http://www.openwall.com/lists/oss-security/2023/12/13/1 Mailing List
    Changed Reference Type https://access.redhat.com/errata/RHSA-2023:7886 No Types Assigned https://access.redhat.com/errata/RHSA-2023:7886 Vendor Advisory
    Changed Reference Type https://access.redhat.com/security/cve/CVE-2023-6478 No Types Assigned https://access.redhat.com/security/cve/CVE-2023-6478 Vendor Advisory
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2253298 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2253298 Issue Tracking
    Changed Reference Type https://gitlab.freedesktop.org/xorg/xserver/-/commit/14f480010a93ff962fef66a16412fafff81ad632 No Types Assigned https://gitlab.freedesktop.org/xorg/xserver/-/commit/14f480010a93ff962fef66a16412fafff81ad632 Patch
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2023/12/msg00008.html No Types Assigned https://lists.debian.org/debian-lts-announce/2023/12/msg00008.html Mailing List
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/7PP47YXKM5ETLCYEF6473R3VFCJ6QT2S/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/7PP47YXKM5ETLCYEF6473R3VFCJ6QT2S/ Vendor Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/LJDFWDB7EQVZA45XDP7L5WRSRWS6RVRR/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/LJDFWDB7EQVZA45XDP7L5WRSRWS6RVRR/ Vendor Advisory
    Changed Reference Type https://lists.x.org/archives/xorg-announce/2023-December/003435.html No Types Assigned https://lists.x.org/archives/xorg-announce/2023-December/003435.html Vendor Advisory
    Changed Reference Type https://www.debian.org/security/2023/dsa-5576 No Types Assigned https://www.debian.org/security/2023/dsa-5576 Vendor Advisory
    Added CWE NIST CWE-190
    Added CPE Configuration AND OR *cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:* versions up to (excluding) 21.1.10 OR cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:x.org:xwayland:*:*:*:*:*:*:*:* versions up to (excluding) 23.2.3 OR cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux_eus:9.2:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:tigervnc:tigervnc:-:*:*:*:*:*:*:* OR cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Dec. 20, 2023

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2023:7886 [No types assigned]
  • CVE Modified by [email protected]

    Dec. 19, 2023

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/7PP47YXKM5ETLCYEF6473R3VFCJ6QT2S/ [No types assigned]
  • CVE Modified by [email protected]

    Dec. 15, 2023

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/LJDFWDB7EQVZA45XDP7L5WRSRWS6RVRR/ [No types assigned]
  • CVE Modified by [email protected]

    Dec. 13, 2023

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. http://www.openwall.com/lists/oss-security/2023/12/13/1 [No types assigned]
  • CVE Modified by [email protected]

    Dec. 13, 2023

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://www.debian.org/security/2023/dsa-5576 [No types assigned]
  • CVE Modified by [email protected]

    Dec. 13, 2023

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://lists.debian.org/debian-lts-announce/2023/12/msg00008.html [No types assigned]
  • CVE Received by [email protected]

    Dec. 13, 2023

    Action Type Old Value New Value
    Added Description A flaw was found in xorg-server. A specially crafted request to RRChangeProviderProperty or RRChangeOutputProperty can trigger an integer overflow which may lead to a disclosure of sensitive information.
    Added Reference Red Hat, Inc. https://access.redhat.com/security/cve/CVE-2023-6478 [No types assigned]
    Added Reference Red Hat, Inc. https://bugzilla.redhat.com/show_bug.cgi?id=2253298 [No types assigned]
    Added Reference Red Hat, Inc. https://gitlab.freedesktop.org/xorg/xserver/-/commit/14f480010a93ff962fef66a16412fafff81ad632 [No types assigned]
    Added Reference Red Hat, Inc. https://lists.x.org/archives/xorg-announce/2023-December/003435.html [No types assigned]
    Added CWE Red Hat, Inc. CWE-125
    Added CVSS V3.1 Red Hat, Inc. AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-6478 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-6478 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.17 }} 0.02%

score

0.54939

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability